Problem Display
PID: 93014 (4R3/3B2pr/3p4/2pk2P1/4n1N1/2pPP2p/2N1P1bK/8 w - - 0 1)

Herland, Sigmund

Tidskrift for Schack, 1909

4R3/3B2pr/3p4/2pk2P1/4n1N1/2pPP2p/2N1P1bK/8

#4

9 + 9


6490 yacpdb 2009

SOLUTION


  • SOUND
  • Keys
    • 1.Rb8!
      • threat
        • 2.Rb5
          • threat
            • 3.Sb4#
      • 1...Rh4
        • 2.Rb5
          • threat
            • 3.Sb4#
          • 2...Rxg4
            • 3.Sb4+
              • 3...Ke5
                • 4.d4#
      • 1...Bf3
        • 2.exf3
          • threat
            • 3.fxe4#
          • 2...Sxg5
            • 3.Sb4+
              • 3...cxb4
                • 4.Rb5#
            • 3.e4+
              • 3...Sxe4
                • 4.fxe4#
          • 2...c4
            • 3.Sb4+
              • 3...Kc5
                • 4.Rb5#
                • 4.d4#
            • 3.Rb5+
              • 3...Sc5
                • 4.Sb4#
                • 4.e4#
            • 3.dxe4+
              • 3...Kc5
                • 4.Rb5#
            • 3.fxe4+
              • 3...Kc5
                • 4.Rb5#
                • 4.d4#
            • 3.Rc8
              • threat
                • 4.Sb4#
                • 4.dxc4#
                • 4.dxe4#
                • 4.fxe4#
            • 3.d4
              • threat
                • 4.Sb4#
          • 2...Sd2
            • 3.Sb4+
              • 3...cxb4
                • 4.Rb5#
            • 3.e4+
              • 3...Sxe4
                • 4.fxe4#
          • 2...Sf2
            • 3.Sb4+
              • 3...cxb4
                • 4.Rb5#
            • 3.e4+
              • 3...Sxe4
                • 4.fxe4#
          • 2...Sg3
            • 3.Sb4+
              • 3...cxb4
                • 4.Rb5#
            • 3.e4+
              • 3...Sxe4
                • 4.fxe4#
            • 3.Kxg3
              • threat
                • 4.e4#
              • 3...c4
                • 4.Rb5#
          • 2...Sf6
            • 3.Sb4+
              • 3...cxb4
                • 4.Rb5#
            • 3.e4+
              • 3...Sxe4
                • 4.fxe4#
            • 3.gxf6
              • threat
                • 4.e4#
              • 3...c4
                • 4.Rb5#
        • 2.Rb5
          • threat
            • 3.Sb4#
          • 2...Bxg4
            • 3.Sb4+
              • 3...Ke5
                • 4.d4#
      • 1...g6
        • 2.Sb4+
          • 2...cxb4
            • 3.Sf6+
              • 3...Kc5
                • 4.Rb5#
              • 3...Ke5
                • 4.d4#
              • 3...Sxf6
                • 4.Rb5#

FEATURES


NOT CLASSIFIED


Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) & CSS/Javascript (jQuery, Bootstrap & DataTables).